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Why does the Corvette Stingray have so many vents? Here's why

Just looking at the new 2014 Chevrolet Corvette Stingray, it's not hard to see that the car's design was created with aerodynamics at the forefront, but Chevrolet designers point out exactly what went into designing the iconic coupe in a pair of recently released videos. The videos show the Corvette going through early design phases, including clay models and wind tunnel tests, as well as talking to the car's chief engineer, Tadge Juechter.
Both videos help explain various aspects of the C7 Corvette, but it's the aero tuning of the car that is most interesting. This includes extra attention paid to the lower air dam and vented hood to help reduce drag and lift, while the rear quarter inlets are for differential and transmission cooling. Juechter said that some of these aero-tuned elements were inspired from GM's involvement in racing.
If you have about five minutes and you can't get enough information about the new 'Vette, then check out the videos posted below.

The Chevy Cruze Hatchback arrives in the US this fall

We knew this was coming, but now it's official. Chevrolet will sell a five-door Cruze in the US beginning in late 2016, and here it is, ahead of its debut at the 2016 Detroit Auto Show. Previously, the Cruze Hatchback was available in other markets, and the decision to not offer it Stateside was apparently "a pre-bankruptcy planning mistake," according to GM's Mark Reuss in earlier reports. The 2017 Cruze Hatchback builds on the second-generation Cruze we saw last summer, adding a wealth of functionality – there's 42 cubic feet of cargo space available with the rear seats folded. Plus, the Cruze sedan is lighter and stiffer than its predecessor – more than 200 pounds have been shaved off the compact car's curb weight. While the Cruze sedan is available in four trims – L, LS, LT, and Premier – the five-door will only be available in LT and Premier guise, but can be had with the optional RS appearance package. All Cruze models are powered by a 1.4-liter turbocharged inline-four engine, with 153 horsepower and 177 pound-feet of torque. Standard amenities include Apple CarPlay and Android Auto via Chevy's MyLink infotainment system, as well as a raft of high-tech safety features. Pricing information isn't available as of this writing, though we expect the Cruze Hatchback to command a slightly higher premium than the sedan. For comparison, a new Cruze LT sedan starts at $21,995, with the Premier coming in at $23,995. We'll have official numbers closer to the Hatchback's on-sale date this fall. Chevrolet Introduces 2017 Cruze Hatch HERE'S THE STORY Ahead of its debut at the North American International Auto Show, Chevrolet today introduced the 2017 Cruze Hatchback. Developed with all the technologies and dynamic driving attributes of the all-new 2016 Cruze sedan, the new hatch adds a functional and sporty choice for customers. It joins Colorado and Trax as the latest Chevrolets to push into new segments. PRODUCT DETAILS The Cruze Hatch has the same, class-leading 106.3-inch (2,700 mm) wheelbase as sedan models, but features a unique roof and rear-end structure – including wraparound taillamps and an integrated spoiler at the top of the liftgate. It opens to offer 18.5 cubic feet (524 liters) of cargo space behind the rear seat. With the rear seat folded, cargo space expands to 42 cubic feet (1,189 liters).

Chevy Volt, Nissan Leaf sales show big drops in September

As most readers likely know, it's not just lower gas prices that are affecting plug-in vehicle sales. The two long-time sales leaders in the US - the Nissan Leaf and the Chevy Volt - are getting long in the tooth. First introduced in late 2010, the vehicles have been updated here and there since then, but recent sales figures have been lagging behind where they were in 2014. This trend continued in September, with sales of both vehicles down in a big way compared to last year. Sales of Nissan Leaf totaled 1,247 for the month of September. This is down a whopping 56.7 percent from September 2014, but thankfully the year-to-date sales are not quite as negative. So far this year, Nissan has sold 13,630 Leafs, which is "just" 37.5 percent lower tan the YTD total at this point in 2014 (21,822). This decrease swims against the overall direction of Nissan's September sales, which were up 18 percent over last year and set a new September record. The Volt sold 949 units last month, down 31.9 percent from last September. Year to date, the Volt has sold 9,264 units, which is 36.3 percent lower than the number of Volts that were sold in the first nine months of 2014 (14,540). This downward trend might be coming to an end soon. The new Chevy Volt will go on sale in 11 US states later this fall, and the 2017 model will be available nationwide next spring. An updated Leaf for the 2016 model year also offers more miles – 107, vs 84 in the 2015 version – so potential customers who have been waiting for the latest and greatest will soon not have any excuses. We'll have our broader look at green car sales in the US up soon. Green Chevrolet Nissan Electric Hybrid ev sales hybrid sales volt